US7476772B2ActiveUtilityA1
Process for preparing chlorinated carbonyl compounds in jet loop reactors
Est. expiryNov 13, 2026(~0.3 yrs left)· nominal 20-yr term from priority
C07C 67/307C07C 45/63C07C 231/12C07C 2601/08
51
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20
Claims
Abstract
The present invention relates to a process for preparing chlorinated or partly chlorinated carbonyl compounds, which comprises reacting unchlorinated or partly chlorinated carbonyl compounds with a chlorinating agent in a jet loop reactor.
Claims
exact text as granted — not AI-modified1. A process for preparing chlorinated or partly chlorinated carbonyl compounds, comprising reacting unchlorinated or partly chlorinated carbonyl compounds with a chlorinating agent in a jet loop reactor.
2. The process of claim 1 , wherein a jet zone loop reactor is used.
3. The process of claim 1 , wherein the chlorinating agent is one or more chlorinating agents selected from the group consisting of chlorine, sulfuryl chloride and thionyl chloride.
4. The process of claim 2 , wherein the chlorinating agent is one or more chlorinating agents selected from the group consisting of chlorine, sulfuryl chloride and thionyl chloride.
5. The process of claim 1 , wherein the unchlorinated or partly chlorinated carbonyl compounds are straight-chain, branched, or have a cyclic structure.
6. The process of claim 1 , wherein the chlorinating agent is metered into the unchlorinated or partly chlorinated carbonyl compound in the reactor in a volume flow ratio of from 1:1 to 1:4000.
7. The process of claim 1 , wherein the unchlorinated or partly chlorinated carbonyl compounds are used neat or in the presence of one or more solvents.
8. The process of claim 1 , wherein the reaction in the jet loop reactor takes place at a temperature of from 20° C. to 160° C.
9. The process of claim 1 , wherein the reaction is performed in the presence of a catalyst.
10. The process of claim 1 , wherein the reaction takes place in a continuous or semicontinuous mode.
11. The process of claim 1 , wherein the continuous addition of chlorine comprises recycling of unconverted chlorine into the circuit.
12. The process of claim 1 , wherein the chlorination is effected both with and without partial recycling.
13. The process of claim 1 , wherein the chlorinating agent is chlorine.
14. The process of claim 1 , which is uncatalyzed.
15. The process of claim 13 , which is uncatalyzed.
16. The process of claim 1 , wherein the carbonyl compound is a 1,3-dicarbonyl compound.
17. The process of claim 13 wherein the carbonyl compound is a 1,3-dicarbonyl compound.
18. The process of claim 14 wherein the carbonyl compound is a 1,3-dicarbonyl compound.
19. The process of claim 1 , wherein the carbonyl compound is a ketone, an aldehyde, an acetoacetate ester, an acetoacetamide, or a malonate ester.
20. The process of claim 19 , wherein the chlorinating agent is chlorine, and the reaction is uncatalyzed.Cited by (0)
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